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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
    </build-info>


<item>
            <title>[SERVER-8406] There are no preallocated journal files created in specified folder when mongod start up at first time</title>
                <link>https://jira.mongodb.org/browse/SERVER-8406</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Backgrouds:&lt;br/&gt;
I installed below 2 rpm packages on CentOS 6.3(Final) 64bits&lt;br/&gt;
mongo-10gen-2.2.1-mongodb_1.x86_64.rpm&lt;br/&gt;
mongo-10gen-server-2.2.1-mongodb_1.x86_64.rpm&lt;/p&gt;

&lt;p&gt;Symptom:&lt;br/&gt;
When mongod startup at first time, there are no preallocated journal files created in specified folder.As aside note, the journal option is enable by default.&lt;/p&gt;

&lt;p&gt;Questions:&lt;br/&gt;
It is normal case or not? I review manual in www.mongodb.org site. It claims &quot;If no journal files exist, when mongod starts, it MUST preallocates new journal files&quot;&lt;/p&gt;

&lt;p&gt;I posted mongod relevant configurations:&lt;br/&gt;
#################################################################################################&lt;/p&gt;
&lt;ol&gt;
	&lt;li&gt;mongo.conf&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;#where to log&lt;br/&gt;
logpath=/drbd0/mongo/log/mongod.log&lt;/p&gt;

&lt;p&gt;logappend=true&lt;/p&gt;

&lt;ol&gt;
	&lt;li&gt;fork and run in background&lt;br/&gt;
fork = true&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;port = 27017&lt;/p&gt;

&lt;p&gt;dbpath=/drbd0/mongo/data&lt;/p&gt;

&lt;ol&gt;
	&lt;li&gt;location of pidfile&lt;br/&gt;
pidfilepath = /var/run/mongodb/mongod.pid&lt;/li&gt;
&lt;/ol&gt;


&lt;ol&gt;
	&lt;li&gt;Disables write-ahead journaling&lt;/li&gt;
	&lt;li&gt;nojournal = true&lt;/li&gt;
&lt;/ol&gt;


&lt;ol&gt;
	&lt;li&gt;Enables periodic logging of CPU utilization and I/O wait&lt;br/&gt;
#cpu = true&lt;/li&gt;
&lt;/ol&gt;


&lt;ol&gt;
	&lt;li&gt;Turn on/off security.  Off is currently the default&lt;br/&gt;
#noauth = true&lt;br/&gt;
#auth = true&lt;/li&gt;
&lt;/ol&gt;


&lt;ol&gt;
	&lt;li&gt;Verbose logging output.&lt;br/&gt;
#verbose = true&lt;/li&gt;
&lt;/ol&gt;


&lt;ol&gt;
	&lt;li&gt;Inspect all client data for validity on receipt (useful for&lt;/li&gt;
	&lt;li&gt;developing drivers)&lt;br/&gt;
#objcheck = true&lt;/li&gt;
&lt;/ol&gt;


&lt;ol&gt;
	&lt;li&gt;Enable db quota management&lt;br/&gt;
#quota = true&lt;/li&gt;
&lt;/ol&gt;


&lt;ol&gt;
	&lt;li&gt;Set oplogging level where n is&lt;/li&gt;
	&lt;li&gt;0=off (default)&lt;/li&gt;
	&lt;li&gt;1=W&lt;/li&gt;
	&lt;li&gt;2=R&lt;/li&gt;
	&lt;li&gt;3=both&lt;/li&gt;
	&lt;li&gt;7=W+some reads&lt;br/&gt;
#diaglog = 0&lt;/li&gt;
&lt;/ol&gt;


&lt;ol&gt;
	&lt;li&gt;Ignore query hints&lt;br/&gt;
#nohints = true&lt;/li&gt;
&lt;/ol&gt;


&lt;ol&gt;
	&lt;li&gt;Disable the HTTP interface (Defaults to localhost:27018).&lt;br/&gt;
#nohttpinterface = true&lt;/li&gt;
&lt;/ol&gt;


&lt;ol&gt;
	&lt;li&gt;Turns off server-side scripting.  This will result in greatly limited&lt;/li&gt;
	&lt;li&gt;functionality&lt;br/&gt;
#noscripting = true&lt;/li&gt;
&lt;/ol&gt;


&lt;ol&gt;
	&lt;li&gt;Turns off table scans.  Any query that would do a table scan fails.&lt;br/&gt;
#notablescan = true&lt;/li&gt;
&lt;/ol&gt;


&lt;ol&gt;
	&lt;li&gt;Disable data file preallocation.&lt;br/&gt;
#noprealloc = true&lt;/li&gt;
&lt;/ol&gt;


&lt;ol&gt;
	&lt;li&gt;Specify .ns file size for new databases.&lt;/li&gt;
	&lt;li&gt;nssize = &amp;lt;size&amp;gt;&lt;/li&gt;
&lt;/ol&gt;


&lt;ol&gt;
	&lt;li&gt;Accout token for Mongo monitoring server.&lt;br/&gt;
#mms-token = &amp;lt;token&amp;gt;&lt;/li&gt;
&lt;/ol&gt;


&lt;ol&gt;
	&lt;li&gt;Server name for Mongo monitoring server.&lt;br/&gt;
#mms-name = &amp;lt;server-name&amp;gt;&lt;/li&gt;
&lt;/ol&gt;


&lt;ol&gt;
	&lt;li&gt;Ping interval for Mongo monitoring server.&lt;br/&gt;
#mms-interval = &amp;lt;seconds&amp;gt;&lt;/li&gt;
&lt;/ol&gt;


&lt;ol&gt;
	&lt;li&gt;Replication Options&lt;/li&gt;
&lt;/ol&gt;


&lt;ol&gt;
	&lt;li&gt;in replicated mongo databases, specify here whether this is a slave or master&lt;br/&gt;
#slave = true&lt;br/&gt;
#source = master.example.com&lt;/li&gt;
	&lt;li&gt;Slave only: specify a single database to replicate&lt;br/&gt;
#only = master.example.com&lt;/li&gt;
	&lt;li&gt;or&lt;br/&gt;
#master = true&lt;br/&gt;
#source = slave.example.com&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;bind_ip=admin1_ss_nc&lt;/p&gt;

&lt;p&gt;replSet=rstest&lt;br/&gt;
#################################################################################################&lt;/p&gt;

&lt;p&gt;Thanks in advanced!&lt;br/&gt;
James Zhou&lt;/p&gt;</description>
                <environment></environment>
        <key id="63756">SERVER-8406</key>
            <summary>There are no preallocated journal files created in specified folder when mongod start up at first time</summary>
                <type id="6" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14720&amp;avatarType=issuetype">Question</type>
                                            <priority id="2" iconUrl="https://jira.mongodb.org/images/icons/priorities/critical.svg">Critical - P2</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="4">Incomplete</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="jameszhou">jameszhou</reporter>
                        <labels>
                    </labels>
                <created>Wed, 30 Jan 2013 08:46:09 +0000</created>
                <updated>Mon, 4 Feb 2013 01:35:22 +0000</updated>
                            <resolved>Wed, 30 Jan 2013 17:31:47 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="257338" author="jameszhou" created="Mon, 4 Feb 2013 01:35:22 +0000"  >&lt;p&gt;Thank you Eliot! Appreciate!&lt;/p&gt;</comment>
                            <comment id="256764" author="eliot" created="Sun, 3 Feb 2013 02:09:40 +0000"  >&lt;p&gt;This is normal if your disk is fast.&lt;br/&gt;
Preallocation only happens on slower disks.&lt;/p&gt;</comment>
                            <comment id="256748" author="jameszhou" created="Sun, 3 Feb 2013 01:30:46 +0000"  >&lt;p&gt;Thank you for your recommand!&lt;/p&gt;</comment>
                            <comment id="254358" author="ian@10gen.com" created="Thu, 31 Jan 2013 02:55:11 +0000"  >&lt;p&gt;James, the MongoDB community on Stack Overflow (www.stackoverflow.com) is a very active one and a good place to ask questions.&lt;/p&gt;</comment>
                            <comment id="254331" author="jameszhou" created="Thu, 31 Jan 2013 01:49:02 +0000"  >&lt;p&gt;Hi Ian,&lt;br/&gt;
   Thank you for your QUICK reply.Unfortunately, I can&apos;t access to groups.google.com/group/mongodb-user due to some reasons. Have any other alternative way to solve?&lt;/p&gt;</comment>
                            <comment id="253941" author="ian@10gen.com" created="Wed, 30 Jan 2013 17:31:47 +0000"  >&lt;p&gt;Hi James, the SERVER project is intended for bug fixes and features requests - could you please open a new thread with your question in the mongodb-user forums at groups.google.com/group/mongodb-user and then open a ticket here if this is confirmed as a bug or feature request?&lt;/p&gt;

&lt;p&gt;Thanks!&lt;/p&gt;</comment>
                            <comment id="253568" author="jameszhou" created="Wed, 30 Jan 2013 08:58:37 +0000"  >&lt;p&gt;Add information:&lt;br/&gt;
I deploy ext4 file system on CentOS 6.3&lt;/p&gt;</comment>
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